Filter Assembly

Patent No. EP3231498 (titled "Filter Assembly") was filed by Mannhummel on Apr 12, 2017. The application was issued on Apr 8, 2020.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

Company	Opposition Date	Representative
DONALDSON	Jan 11, 2021	IPLODGE

Dossier Documents

The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.

Date
Description

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Mar 20, 2023
Communication to the parties concerning termination of the opposition proceedings - opposition rejected - no appeal lodged
Mar 20, 2023
Communication to the parties concerning the termination of the opposition proceedings (opponent)
Mar 15, 2023
Termination of the opposition proceedings with maintenance of patent
Dec 6, 2022
(Electronic) Receipt
Dec 6, 2022
Advice of delivery
Dec 6, 2022
Letter accompanying subsequently filed items
Dec 1, 2022
Annex to the communication - opposition
Dec 1, 2022
Decision of the Opposition Division and instruction
Dec 1, 2022
Decision rejecting the opposition
Dec 1, 2022
Decision rejecting the opposition
Dec 1, 2022
Grounds for the decision (Annex) - opposition
Dec 1, 2022
Means of redress
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - conclusion of the proceedings
Dec 1, 2022
Minutes of the oral proceedings (Opposition Division) - introduction of the parties
Dec 1, 2022
Provision of a copy of the minutes - opposition procedure
Dec 1, 2022
Provision of a copy of the minutes - opposition procedure
Dec 1, 2022
Transmittal of decision / summons - opposition
Dec 1, 2022
Transmittal of decision / summons - opposition
Nov 8, 2022
Brief communication - Opposition proceedings
Nov 7, 2022
Communication of amended entries
Nov 1, 2022
General authorisation
Nov 1, 2022
Letter accompanying subsequently filed items (CDR)
Nov 1, 2022
Request for a change of address - opponent
Oct 13, 2022
Document concerning representation
Oct 6, 2022
Information about the result of oral proceedings
Sep 12, 2022
Brief communication - Opposition proceedings
Sep 6, 2022
(Electronic) Receipt
Sep 6, 2022
Letter accompanying subsequently filed items
Sep 6, 2022
Written submission in preparation to/during oral proceedings
Aug 16, 2022
Brief communication - Opposition proceedings
Aug 5, 2022
(Electronic) Receipt
Aug 5, 2022
Letter accompanying subsequently filed items
Aug 5, 2022
Written submission in preparation to/during oral proceedings
Jul 29, 2022
Brief communication - Opposition proceedings
Jul 22, 2022
(Electronic) Receipt
Jul 22, 2022
Request for interpreters during oral proceedings
Jul 22, 2022
Written submission in preparation to/during oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
Jun 21, 2022
Notification concerning the date of oral proceedings
Feb 11, 2022
(Electronic) Receipt
Feb 11, 2022
Advice of delivery
Feb 11, 2022
Letter accompanying subsequently filed items
Feb 10, 2022
(Electronic) Receipt
Feb 10, 2022
Advice of delivery
Feb 10, 2022
Letter accompanying subsequently filed items
Feb 9, 2022
Annex to the communication - opposition
Feb 9, 2022
Information concerning oral proceedings
Feb 9, 2022
Summons to attend oral proceedings
Feb 9, 2022
Summons to attend oral proceedings
Feb 9, 2022
Transmittal of decision / summons - opposition
Feb 9, 2022
Transmittal of decision / summons - opposition
Jun 10, 2021
Brief communication - Opposition proceedings
Jun 4, 2021
(Electronic) Receipt
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure
Jun 4, 2021
Auxiliary request during Opposition procedure - 01
Jun 4, 2021
Auxiliary request during Opposition procedure - 02
Jun 4, 2021
Auxiliary request during Opposition procedure - 03
Jun 4, 2021
Auxiliary request during Opposition procedure - 04
Jun 4, 2021
Auxiliary request during Opposition procedure - 05
Jun 4, 2021
Auxiliary request during Opposition procedure - 06
Jun 4, 2021
Auxiliary request during Opposition procedure - 07
Jun 4, 2021
Auxiliary request during Opposition procedure - 08
Jun 4, 2021
Letter accompanying subsequently filed items
Jun 4, 2021
Reply of the patent proprietor to the notice(s) of opposition
Apr 20, 2021
Communication of the registration of a transfer or change of name and/or address
Apr 14, 2021
Submission concerning change of applicant's name
Apr 1, 2021
Brief communication - Opposition proceedings
Mar 31, 2021
Communication concerning the filing of a power of attorney
Mar 31, 2021
Communication of amended entries concerning the representative
Mar 25, 2021
(Electronic) Receipt
Mar 25, 2021
Authorisation
Mar 25, 2021
Brief communication - Opposition proceedings
Mar 25, 2021
Letter accompanying subsequently filed items
Mar 22, 2021
(Electronic) Receipt
Mar 22, 2021
Submission concerning change of proprietor's representative
Mar 15, 2021
Communication of amended entries concerning the representative
Mar 9, 2021
Annexes in respect of a client data request
Mar 9, 2021
Submission concerning change of applicant's representative
Jan 26, 2021
Communication of a notice of opposition and request to file observations
Jan 26, 2021
Notice of further oppositions to opponent(s)
Jan 19, 2021
Communication of a notice of opposition - first information to patent proprietor
Jan 11, 2021
(Electronic) Receipt
Jan 11, 2021
Citation in opposition procedure - 001
Jan 11, 2021
Citation in opposition procedure - 002
Jan 11, 2021
Citation in opposition procedure - 003
Jan 11, 2021
Citation in opposition procedure - 004
Jan 11, 2021
Citation in opposition procedure - 005
Jan 11, 2021
Citation in opposition procedure - 006
Jan 11, 2021
Citation in opposition procedure - 007
Jan 11, 2021
Citation in opposition procedure - 008
Jan 11, 2021
Citation in opposition procedure - 009
Jan 11, 2021
Citation in opposition procedure - 010
Jan 11, 2021
Citation in opposition procedure - 011
Jan 11, 2021
Citation in opposition procedure - 012
Jan 11, 2021
Citation in opposition procedure - 013
Jan 11, 2021
Citation in opposition procedure - 014
Jan 11, 2021
Consolidated list of cited opposition documents
Jan 11, 2021
Notice of opposition
Jan 11, 2021
Notice of opposition
Apr 21, 2020
Transmission of the certificate for a European patent pursuant to Rule 74 EPC
Mar 12, 2020
Decision to grant a European patent
Mar 4, 2020
Communication of the registration of a transfer or change of name and/or address
Feb 28, 2020
(Electronic) Receipt
Feb 28, 2020
English translation of the claims
Feb 28, 2020
Filing of the translations of the claims
Feb 28, 2020
French translation of claims
Feb 28, 2020
Submission concerning change of applicant's address
Nov 12, 2019
Bibliographic data of the European patent application
Nov 12, 2019
Communication about intention to grant a European patent
Nov 12, 2019
Intention to grant (signatures)
Nov 12, 2019
Text intended for grant (clean copy)
Nov 12, 2019
Text intended for grant (version for approval)
Oct 21, 2019
Examination started
Jul 16, 2019
Notification regarding date of start of examination with possibility to withdraw
Apr 16, 2018
Amended claims filed after receipt of (European) search report
Apr 16, 2018
Amended claims with annotations
Apr 16, 2018
Amended description filed after receipt of (European) search report
Apr 16, 2018
Amended description with annotations
Apr 16, 2018
Amendments received before examination
Apr 16, 2018
Letter concerning fees and payments
Apr 12, 2018
Amended claims filed after receipt of (European) search report
Apr 12, 2018
Amended claims with annotations
Apr 12, 2018
Amended description filed after receipt of (European) search report
Apr 12, 2018
Amended description with annotations
Apr 12, 2018
Amendments received before examination
Apr 12, 2018
Letter concerning fees and payments
Oct 23, 2017
Reminder period for payment of examination fee/designation fee and correction of deficiencies in Written Opinion/amendment
Sep 20, 2017
Notification of forthcoming publication
Jul 19, 2017
Communication regarding the transmission of the European search report
Jul 19, 2017
European search opinion
Jul 19, 2017
European search report
Jul 19, 2017
Information on Search Strategy
Jul 5, 2017
Search started
Jun 21, 2017
CDS Clean up - amended data concerning the representative for the applicant
Jun 6, 2017
Communication to designated inventor
Apr 24, 2017
Letter concerning the priority
Apr 24, 2017
Priority document
Apr 12, 2017
Abstract
Apr 12, 2017
Acknowledgement of receipt of electronic submission of the request for grant of a European patent
Apr 12, 2017
Claims
Apr 12, 2017
Description
Apr 12, 2017
Designation of inventor
Apr 12, 2017
Drawings
Apr 12, 2017
Priority search results
Apr 12, 2017
Request for grant of a European patent
Feb 10, 2016
Submission concerning representation

EP3231498

MANNHUMMEL

Application Number: EP17166153A
Filing Date: Apr 12, 2017
Status: Opposition Rejected; Mar 17, 2023
Publication Date: Apr 8, 2020
External Links: Slate, EP3231498B1, Google Patents

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Dossier Documents

EP3231498